===================================================================
RCS file: /home/cvs/OpenXM/src/kan96xx/plugin/oxcgi.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -p -r1.1 -r1.2
--- OpenXM/src/kan96xx/plugin/oxcgi.c	2004/09/21 12:52:01	1.1
+++ OpenXM/src/kan96xx/plugin/oxcgi.c	2004/09/24 08:35:47	1.2
@@ -1 +1,523 @@
-/* $OpenXM$ */
+/* $OpenXM: OpenXM/src/kan96xx/plugin/oxcgi.c,v 1.1 2004/09/21 12:52:01 takayama Exp $ */
+#include <stdio.h>
+#include "datatype.h"
+#include "stackm.h"
+#include "extern.h"
+#include "file2.h"
+#include "oxcgi.h"
+
+static int ppp(char *s,int kstart,int kend, int vstart, int vend);
+static int cgiHex(int p);
+
+static test1();
+static test2();
+static test3();
+static test4();
+
+/* main() {KSstart();test4();} */
+
+/*
+  [["URL","http://www.openxm.org"],
+   ["foo","value1"],                 <--- the first key value.
+   ["hoge","value2"]
+  ]
+ */
+struct object cgiUrlEncodingToKeyValuePair(char *s) {
+  int i,n,start;
+  int kstart,kend; /* start of key, end of key */
+  int vstart,vend; /* start of value, end of value */
+  int state;
+  int nOfPairs;
+  struct object rob;
+  struct object ob;
+  int k;
+  n = strlen(s); start = -1;
+  for (i=0; i<n; i++) {
+    if (s[i] == '?') { start=i+1; break;}
+  }
+  for (k=0; k<2; k++) {
+    /* k==0 path one. Count nOfPairs. */
+    /* k==1 path two. generate array. */
+    nOfPairs = 0;
+    i = start;
+    /* state 0, 1 : key
+       =    
+       state 2, 3 : value
+       &
+       state 5    : after getting &
+       state 4    : after getting eof
+       state 6
+    */
+    state = 0;
+    while (1) {
+      switch(state) {
+      case 0:
+        kstart = kend = vstart = vend = -1;
+        if (s[i] <= ' ') {
+          state=6; break;
+        } else {
+          kstart = kend = i;
+          nOfPairs++;
+          i++;
+          state=1;
+          break;
+        }
+      case 1:
+        if (s[i] <= ' ') {
+          state=4; break;
+        }else if (s[i] == '=') {
+          state=2; i++; break;
+        }else {
+          kend = i; i++; break;
+        }
+      case 2:
+        vstart = vend = -1;
+        if (s[i] <= ' ') {
+          state=4; break;
+        }else if (s[i] == '&') {
+          state=5; break;
+        }else {
+          state=3; vstart=vend=i; i++; break;
+        }
+      case 3:
+        if (s[i] <= ' ') {
+          state=4; break;
+        }else if (s[i] == '&') {
+          state=5; break;
+        }else{
+          vend=i; i++; break;
+        }
+      case 4:
+        if (k == 1) {
+          ob = newObjectArray(2);
+          putoa(ob,0,urlEncodedStringToObj(s,kstart,kend,0));
+          putoa(ob,1,urlEncodedStringToObj(s,vstart,vend,0));
+          putoa(rob,nOfPairs,ob);
+        }
+        state = -1; break;
+      case 5:
+        if (k == 1) {
+          ob = newObjectArray(2);
+          putoa(ob,0,urlEncodedStringToObj(s,kstart,kend,0));
+          putoa(ob,1,urlEncodedStringToObj(s,vstart,vend,0));
+          putoa(rob,nOfPairs,ob);
+        }
+        i++; state = 0; break;
+      case 6: state = -1; break;
+      default: break;
+      }
+      if (state < 0) break;
+      /* 
+         if ((state == 4) || (state == 5)) {
+         ppp(s,kstart,kend,vstart,vend);
+         }
+      */
+    }
+    if (k == 0) {
+      char *stmp; int ii;
+      rob = newObjectArray(nOfPairs+1);
+      ob = newObjectArray(2);
+      putoa(ob,0,KpoString("URL"));
+      stmp = sGC_malloc(start+2);
+      if (stmp == NULL) errorKan1("%s\n","No more memory.");
+      stmp[0] = 0;
+      for (ii=0; ii<start-1; ii++) {
+        stmp[ii] = s[ii]; stmp[ii+1] = 0;
+      }
+      putoa(ob,1,KpoString(stmp));
+      putoa(rob,0,ob);
+    }
+  }
+  return rob;
+}
+
+/* . - _  A-Z a-z 0-9
+   space --> +
+*/
+static int isUrlEncoding3(char s) {
+  if ((s == '.') || (s == '-') || (s == '_')) return(0);
+  if ((s >= 'A') && (s <= 'Z')) return(0); 
+  if ((s >= 'a') && (s <= 'z')) return(0); 
+  if ((s >= '0') && (s <= '9')) return(0);
+  if (s == ' ') return(0);
+  return(1);
+} 
+
+char *byteArrayToUrlEncoding(unsigned char *s,int size) {
+  int n,i,j;
+  char *r;
+  n = 0;
+  /* get Size */
+  for (i=0; i<size; i++) {
+    if (isUrlEncoding3((char)s[i])) n += 3;
+    n++;
+  }
+  r = sGC_malloc(n+1);
+  if (r == NULL) errorKan1("%s\n","No more memory.");
+  r[0] = 0; r[n] = 0;
+  i = 0; j = 0;
+  while ((j < n) && (i<size)) {
+    if (isUrlEncoding3((char)s[i])) {
+      sprintf(&(r[j]),"%%%02X",s[i]); j += 3;
+    }else{
+      if ((char)s[i] == ' ') r[j]='+';
+      else r[j] = s[i]; 
+      j++; r[j] = 0;
+    }
+    i++;
+  }
+  return(r);
+}
+struct object urlEncodedStringToObj(char *s,int vstart,int vend,int mode)
+     /*
+       mode == 0.  Authmatically choose Sdollar or SbyteArray.
+        [ not implemented yet. ]
+      */
+{
+  struct object rob;
+  char *ts;
+  char *ts2;
+  int i,j;
+  int p;
+  if ((s == NULL) || (vstart < 0)) return(NullObject);
+  if (vend+1-vstart <= 0) return(NullObject);
+  ts = (char *) malloc(vend-vstart+1);
+  if (ts == NULL) errorKan1("%s\n","Out of memory.");
+  j = 0; ts[j] = 0;
+  for (i=vstart; i<=vend; i++,j++) {
+    ts[j] = 0;
+    if (s[i] == '+') {
+      ts[j] = ' '; ts[j+1] = 0;
+    }else if (s[i] == '%') {
+      p = cgiHex(s[i+1])*16+cgiHex(s[i+2]);
+      i = i+2;
+      ts[j] = p; ts[j+1] = 0;
+    }else {
+      ts[j] = s[i]; ts[j+1] = 0;
+    }
+  }
+  ts2 = (char *)sGC_malloc(j);
+  if (ts2 == NULL) errorKan1("%s\n","Out of memory.");
+  for (i=0; i<j; i++) {
+    ts2[i] = ts[i];
+  }
+  return KpoString(ts2);
+}
+
+static int cgiHex(int p) {
+  if (p >= '0' && p <= '9') return (p-'0');
+  if (p >= 'A' && p <= 'F') return (p-'A'+10);
+  if (p >= 'a' && p <= 'f') return (p-'a'+10);
+  errorKan1("%s\n","Invalid argument to cgiHex.");
+}
+
+/* for debug */
+static int ppp(char *s,int kstart,int kend, int vstart, int vend) {
+  int i;
+  printf("%d %d %d %d\n",kstart,kend,vstart,vend);
+  if (kstart >= 0) {
+    printf("key=");
+    for (i=kstart; i<=kend; i++) putchar(s[i]);
+    printf("\n");
+  }
+  if (vstart >= 0) {
+    printf("value=");
+    for (i=vstart; i<=vend; i++) putchar(s[i]);
+    printf("\n");
+  }
+}
+static test1() {
+  char s[1000];
+  cgiUrlEncodingToKeyValuePair("http://hoge.hoge?name=1231232&hoge=asdfsdf&foo=asdfasdf");
+  cgiUrlEncodingToKeyValuePair("http://hoge.hoge?name=1231232&hoge=&foo=asdfasdf&");
+  scanf("%s",s);
+  cgiUrlEncodingToKeyValuePair(s);
+}
+static test2() {
+  char s[1000];
+  struct object ob;
+  ob=cgiUrlEncodingToKeyValuePair("http://hoge.hoge?name=1231232&hoge=asdfsdf&foo=asdfasdf");
+  printObject(ob,1,stdout);
+  ob=cgiUrlEncodingToKeyValuePair("http://hoge.hoge?name=1231232&hoge=&foo=asdfasdf&hoge=A%41+%42%62y%21");
+  printObject(ob,1,stdout);
+  scanf("%s",s);
+  ob=cgiUrlEncodingToKeyValuePair(s);
+  printObject(ob,1,stdout);
+}
+
+static test4() {
+  char s[1000];
+  struct object ob;
+  char *ts;
+  int size;
+  ob=cgiUrlEncodingToKeyValuePair("http://hoge.hoge?name=1231232&hoge=&foo=asdfasdf&hoge=A%41+%42%62y%21");
+  printObject(ob,1,stdout);
+  ts = cgiKeyValuePairToUrlEncoding(ob);
+  printf("result=%s",ts);
+
+
+  ts = "Pragma: no-cache\nContent-Length:  2915\nContent-Type: text/html\nConnection: close\n\n                <DIV class=Section1> \n    <P class=MsoNormal \n   style=\"mso-list: none; mso-list-ins: \" 19991102T2025\">&nbsp;\n      </P> ";
+
+  ob=cgiHttpToKeyValuePair(ts,strlen(ts)); 
+  printObject(ob,1,stdout);
+  ts = cgiKeyValuePairToHttp(ob,&size);
+  printf("result:\n%s",ts);
+
+}
+/* end for debug */
+
+
+char *cgiKeyValuePairToUrlEncoding(struct object ob) {
+  FILE2 *fp;
+  int size;
+  fp = fp2open(-1);
+  if (fp == NULL) errorKan1("%s\n","cgiKeyValuePairToUrlEncoding: open error.");
+  cgiKeyValuePairToUrlEncodingFile2(ob,fp);
+  return fp2fcloseInString(fp,&size);
+}
+int checkKeyValuePairFormat(struct object ob,char *msg) {
+  int i,n;
+  struct object eob,eob0,eob1;
+  static char *fmt = NULL;
+  int size;
+  char *ss;
+  size = 1024;
+  if (fmt == NULL) fmt = sGC_malloc(size);
+  if (fmt == NULL) errorKan1("%s\n","No more memory.");
+  for (i=0; i<size; i++) fmt[i]=0;
+  ss = "%s\n In ";
+  strcpy(fmt,ss);
+  strncpy(&(fmt[strlen(ss)]),msg,size-strlen(ss)-2);
+
+  if (ob.tag != Sarray) errorKan1(fmt,"checkKeyValuePairFormat: argument must be an array.");
+  n = getoaSize(ob);
+  for (i=0; i<n ; i++) {
+    eob = getoa(ob,i);
+    if (eob.tag != Sarray) errorKan1(fmt,"checkKeyValuePairFormat: argument must be an array of arrays.");
+    if (getoaSize(eob) != 2) errorKan1(fmt,"checkKeyValuePairFormat: argument must be an array of arrays of size 2.");
+    eob0 = getoa(eob,0); eob1 = getoa(eob,1);
+    if (eob0.tag != Sdollar) errorKan1(fmt,"checkKeyValuePairFormat: the key word must be a string.\n");
+  }
+  return 0;
+}
+
+int cgiKeyValuePairToUrlEncodingFile2(struct object ob,FILE2 *fp) {
+  int n,i;
+  struct object eob,eob0,eob1;
+  char *key, *s;
+  checkKeyValuePairFormat(ob,"cgiKeyValuePairToUrlEncodingFile2");
+  n = getoaSize(ob);
+  for (i=0; i<n; i++) {
+    eob = getoa(ob,i);
+    eob0 = getoa(eob,0); eob1 = getoa(eob,1);
+    key = KopString(eob0);
+    if (i == 0) {
+      if (strcmp(key,"URL") != 0) warningKan("Key word should be URL.\n");
+      if (eob1.tag != Sdollar) errorKan1("%s\n","URL value must be a string.");
+      fp2fputs(KopString(eob1),fp);
+      if ( n > 1 ) fp2fputc('?',fp);
+    }else{
+      fp2fputs(key,fp); fp2fputc('=',fp);
+      if (eob1.tag == Snull) ;
+      else if (eob1.tag == Sdollar) {
+        s = KopString(eob1);
+        fp2fputs(byteArrayToUrlEncoding((unsigned char *)s, strlen(s)),fp);
+      }else if (eob1.tag == SbyteArray) {
+        fp2fputs(byteArrayToUrlEncoding(KopByteArray(eob1),getByteArraySize(eob1)),fp);
+      }else{
+        errorKan1("%s\n","Value is not string nor byte array.");
+      }
+      if (i < n-1) fp2fputc('&',fp);
+    }
+  }
+  return(fp2fflush(fp));
+}
+
+static struct object rStringToObj(char *s,int vstart,int vend,int mode) {
+  /* mode has not yet been used. */
+  struct object rob;
+  char *sss; int i;
+  int bytearray;
+  bytearray=0;
+  if (vend < vstart) return NullObject;
+  for (i=vstart; i<= vend; i++) {
+    if (s[i] == 0) bytearray=1;
+  }
+  if (bytearray) {
+    rob = newByteArrayFromStr(&(s[vstart]),vend-vstart+1);
+    return(rob);
+  }
+  sss = (char *)sGC_malloc(vend-vstart+1);
+  if (sss == NULL) errorKan1("%s\n","No more memory.");
+  for (i=vstart; i<=vend; i++) {
+    sss[i-vstart] = s[i]; sss[i-vstart+1] = 0;
+  }
+  rob = KpoString(sss);
+  return(rob);
+}
+
+/*
+  [["Content-Body$,"Body"],
+   ["key1","value1"],
+   ["key2","value2"],
+   ...
+  ]
+*/
+struct object cgiHttpToKeyValuePair(char *s,int size) {
+  int ssize,i,j,k;
+  int nOfPairs, startbody,state, kstart,kend,vstart, vend,startline,endline;
+  int nextstart,path;
+  struct object rob,ob;
+  ssize = strlen(s);
+  nOfPairs = 0; startbody = -1;
+  /* state==0 :  readline and set startline and endline; state = 1;
+     state==1 :  if the line is empty, then state=10;
+                 Determine kstart,kend (key) and vstart,vend (value); state=0;
+     state==10 : Read the body.
+  */
+  for (path=0; path<2; path++) {
+    if (path == 1) {
+      rob = newObjectArray(nOfPairs+1); nOfPairs = 0;
+    }
+    i = 0;  state=0;
+    while (i<size) {
+      if (state == 0) {
+        /* Read the line */
+        startline=i; endline= size-1; nextstart = size;
+        for (j = startline; j<size; j++) {
+          if (s[j] == 0xd) {
+            endline = j-1;
+            if (s[j+1] == 0xa) nextstart = j+2; 
+            else nextstart = j+1;
+            break;
+          }else if (s[j] == 0xa) {
+            endline = j-1; nextstart = j+1; break;
+          }
+        }
+        state = 1;  i = nextstart;
+      }else if (state == 1) {
+        if (endline <= startline) { state=10; }
+        else {
+          kstart=startline; kend = endline;
+          vstart=endline+1; vend = endline;
+          for (j=startline; j<=endline; j++) {
+            if (s[j] > ' ') {kstart = j; break;}
+          }
+          for (j=kstart; j<=endline; j++) {
+            if (s[j] == ':') { kend=j-1; break; }
+          }
+          for (j=kend+2; j<=endline; j++) {
+            if (s[j] > ' ') {vstart = j; break; }
+          }
+          for (j=vend; j >= vstart; j--) {
+            if (s[j] > ' ') { vend=j; break;}
+            else vend = j-1;
+          }
+          /* ppp(s,kstart,kend,vstart,vend); */
+          nOfPairs++;
+          if (path == 1) {
+            ob = newObjectArray(2);
+            putoa(ob,0,rStringToObj(s,kstart,kend,0));
+            putoa(ob,1,rStringToObj(s,vstart,vend,0));
+            putoa(rob,nOfPairs,ob);
+          }
+          state = 0;
+        }
+      }else {
+        startbody = i;
+        if (path == 1) {
+          ob = newObjectArray(2);
+          putoa(ob,0,KpoString("Content-Body"));  
+          putoa(ob,1,rStringToObj(s,startbody,size-1,0));
+          putoa(rob,0,ob);
+        }
+        break;
+      }
+    }
+  }
+  return rob;
+}
+
+char *cgiKeyValuePairToHttp(struct object ob,int *sizep) {
+  char *s;
+  FILE2 *fp;
+  int size;
+  fp=fp2open(-1);
+  cgiKeyValuePairToHttpFile2(ob,fp);
+  s = fp2fcloseInString(fp,sizep);
+  return(s);
+}
+
+int cgiKeyValuePairToHttpFile2(struct object ob,FILE2 *fp) {
+  int n,i;
+  struct object eob,eob0,eob1;
+  char *key, *s;
+  checkKeyValuePairFormat(ob,"cgiKeyValuePairToHttpFile2");
+  n = getoaSize(ob);
+  if (n == 0) return(0);
+  for (i=1; i<n; i++) {
+    eob = getoa(ob,i);
+    eob0 = getoa(eob,0); eob1 = getoa(eob,1);
+    key = KopString(eob0);
+    fp2fputs(key,fp); fp2fputs(": ",fp);
+    if (eob1.tag == Snull) ;
+    else if (eob1.tag == Sdollar) {
+      s = KopString(eob1);
+      fp2fputs(s,fp);
+    }else{
+      errorKan1("%s\n","Value is not a string.");
+    }
+    if (i < n-1) fp2fputc('\n',fp);
+    else fp2fputs("\n\n",fp);
+  }
+  eob = getoa(ob,0);
+  eob0 = getoa(eob,0); eob1 = getoa(eob,1);
+  key = KopString(eob0);
+  if (strcmp(key,"Content-Body") != 0) warningKan("Key word should be Content-Body.\n");
+  if (eob1.tag == Sdollar) {
+    fp2fputs(KopString(eob1),fp);
+  }else if (eob1.tag == SbyteArray) {
+    fp2write(fp,KopByteArray(eob1),getByteArraySize(eob1));
+  }else errorKan1("%s\n","BODY must be a string or a byte array.");
+
+  return(fp2fflush(fp));
+}
+
+
+static test3() {
+  char *s;
+  struct object ob;
+  s = "Pragma: no-cache\nContent-Length:  2915\nContent-Type: text/html\nConnection: close\n\n                <DIV class=Section1> \n    <P class=MsoNormal \n   style=\"mso-list: none; mso-list-ins: \" 19991102T2025\">&nbsp;\n      </P> ";
+
+  ob=cgiHttpToKeyValuePair(s,strlen(s)); 
+  printObject(ob,1,stdout);
+
+  s = "Pragma:\nContent-Length:  2915\r\nContent-Type: text/html\nConnection: close\n\n                <DIV class=Section1> \n    <P class=MsoNormal \n   style=\"mso-list: none; mso-list-ins: \" 19991102T2025\">&nbsp;\n      </P> ";
+  ob=cgiHttpToKeyValuePair(s,strlen(s)); 
+  printObject(ob,1,stdout);
+
+  s = "Pragma\nContent-Length  2915\r\nContent-Type text/html\nConnection: close\n\n                <DIV class=Section1> \n    <P class=MsoNormal \n   style=\"mso-list: none; mso-list-ins: \" 19991102T2025\">&nbsp;\n      </P> ";
+  ob=cgiHttpToKeyValuePair(s,strlen(s)); 
+  printObject(ob,1,stdout);
+
+  {
+    char *s; 
+    s = "This is a pen.com? !@#0989\n";
+    printf("\n%s\n",byteArrayToUrlEncoding((unsigned char *)s,strlen(s)));
+  }
+}
+
+struct object cgiKeyValuePairToUrlEncodingString(struct object ob) {
+  char *s;
+  s = cgiKeyValuePairToUrlEncoding(ob);
+  if (s == NULL) return NullObject;
+  return KpoString(s);
+}
+struct object cgiKeyValuePairToHttpString(struct object ob) {
+  int size;
+  char *s;
+  s = cgiKeyValuePairToHttp(ob,&size);
+  if (s == NULL) return NullObject;
+  return KpoString(s);
+}
+